National Stock Number
2540-01-604-4463
National Stock Number (NSN) 2540-01-604-4463, or NIIN 016044463, (heater,vehicular,compartment) was assigned April 5, 2012 in the Federal Logistics Information System (FLIS). NIIN 016044463 was cancelled on June 2, 2018, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 29, 2015. There have been 5 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L415V2396, SPE7L415V2396, SPE7L215V3843, SPE7L215V3843, SPE7L215V3845. The total value of the awarded contracts has been US$ 247,688.09.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 06, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 17648. [A DEVICE DESIGNED TO HEAT THE INTERIOR OF A VEHICLE BY UTILIZING THE HEAT FROM THE ENGINE COOLANT SYSTEM OR A LIQUID FUEL TYPE BURNER. CIRCULATION OF THE HEATED AIR IS ACHIEVED BY USE OF A BLOWER OR FAN WHICH MAY OR MAY NOT BE AN INTEGRAL PART OF THE HEATING UNIT. EXCLUDES:HEATER, AIRCRAFT, AND RAILWAY HEATERS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2540016044463 does not contain precious metals.
This information was last updated on Aug 01, 2025.